Method and apparatus for selective connection to telephone...

Details Method and apparatus for selective connection to telephone... Method and apparatus for selective connection to telephone...

H - Electricity

04

Q

H04Q 7/24 (2006.01) H04L 29/06 (2006.01) H04M 1/00 (2006.01) H04M 1/725 (2006.01) H04M 11/06 (2006.01) H04Q 7/32 (2006.01)

Patent

CA 2143034

An interface, and associated method and cable, having a standard telephone jack connector (210) which connects to either a telephone line or a radiotelephone. The standard telephone jack connector allows use of a conventional telephone cable between the data modem and a telephone line. When connection to a radiotelephone is desired, a special cable (320) for the radiotelephone connects to the joint connector. A detection circuit (250) senses signals received at the joint connector to determine whether the joint connector (210) is coupled to the telephone line or the radiotelephone. A control switch (240) configures the data modem for the telephone line or for the radiotelephone based on the determination.

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